| Group I | Group II | Comparison | ||
---|---|---|---|---|---|
 | Value mean ± SD | p Preop vs Ultimate PO | Value mean ± SD | p Preop vs Ultimate PO | p Group I vs II |
ODI score (100%) | |||||
 Preop | 47.1 ± 21.5 |  | 45.0 ± 22.6 |  | 0.501 |
 Ultimate PO | 21.5 ± 13.1 | < 0.001* | 32.9 ± 12.2 | 0.011* | < 0.001* |
 Ultimate PO-Preop | −25.6 ± 13.7 |  | −12.1 ± 11.6 |  | < 0.001* |
SRS total score (100%) | |||||
 Preop | 50.8 ± 20.4 |  | 47.6 ± 20.8 |  | 0.245 |
 Ultimate PO | 78.8 ± 20.4 | 0.005* | 67.6 ± 16.4 | 0.268 | 0.111 |
 Ultimate PO-Preop | 28 ± 25.6 |  | 20 ± 14.8 |  | 0.037* |
SRS Pain (5) | |||||
 Preop | 1.7 ± 0.9 |  | 1.4 ± 1.2 |  | 0.545 |
 Ultimate PO | 3.6 ± 0.3 | < 0.001* | 3.1 ± 0.9 | < 0.001* | 0.395 |
 Ultimate PO-Preop | 1.9 ± 0.9 |  | 1.7 ± 0.8 |  | 0.509 |
SRS Self-image (5) | |||||
 Preop | 2.9 ± 0.8 |  | 2.8 ± 1.1 |  | 0.741 |
 Ultimate PO | 4.2 ± 1.1 | < 0.001* | 3.9 ± 0.8 | 0.042* | 0.397 |
 Ultimate PO-Preop | 1.3 ± 0.7 |  | 1.1 ± 0.7 |  | 0.525 |
SRS Function (5) | |||||
 Preop | 2.5 ± 0.8 |  | 2.6 ± 0.9 |  | 0.774 |
 Ultimate PO | 3.9 ± 1.0 | < 0.001* | 3.3 ± 0.7 | 0.044* | 0.123 |
Ultimate PO - Pre-op | 1.4 ± 0.7 |  | 0.7 ± 0.6 |  | 0.016* |
SRS Satisfaction (5) | |||||
 Preop | 2.6 ± 1.5 |  | 2.4 ± 1.1 |  | 0.622 |
 Ultimate PO | 4.2 ± 1.7 | < 0.001* | 3.0 ± 1.1 | 0.161 | < 0.001* |
 Ultimate PO-Preop | 1.6 ± 2.8 |  | 0.6 ± 1.0 |  | < 0.001* |
SRS Mental health (5) | |||||
 Preop | 3 ± 1.1 |  | 2.7 ± 0.9 |  | 0.391 |
 Ultimate PO | 3.8 ± 1.0 | 0.221 | 3.6 ± 0.6 | 0.391 | 0.624 |
 Ultimate PO-Preop | 0.8 ± 1.3 |  | 0.9 ± 0.6 |  | 0.777 |